.m-affix {
  position: fixed;
  bottom: 120px;

  &-center {
    left: 50%;
    transform: translateX(-50%);
  }

  &:not(.m-affix-center) {
    right: 40px;
  }

  .m-affix-btn.nut-button {
    width: 112px;
    height: 112px;
    border-radius: 50%;
    box-shadow: 0 10px 20px 0 rgba(0, 0, 0, 0.2);

    .m-icon {
      color: #fff;
    }
  }
}
